Nov 1, 2019 - The allopurinol hypersensitivity assay, or HLA-B*58:01 test, is a blood test to detect the presence of a human leukocyte antigen B (HLA-B) genetic variant that increases the risk of life-threatening, severe cutaneous adverse reactions in patients taking allopurinol.
American Family Physician : Diagnostic Tests: What Physicians Need to Know
Aug 1, 2018 - Patients with a suspected connective tissue disorder should undergo serologic testing to confirm the diagnosis and, in some cases, to monitor disease activity and predict flares. Patients with suspected systemic lupus erythematosus should be tested for antinuclear antibodies. However, ...
American Family Physician : Article
Jun 1, 2018 - In this systematic review of patients with rheumatoid arthritis, ultrasonography was reasonably accurate compared with magnetic resonance imaging (MRI) in detecting synovitis in fingers and wrists. The use of MRI as a reference standard is convenient, but problematic.
American Family Physician : POEMs